Siren



FIG. 1 is a trimetric view thereof showing my new design with the wires broken away to indicate indeterminate length;

FIG. 2 is a top plan view of the Siren;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a front elevational view of the siren;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a rear elevational view of the siren; and,

FIG. 7 is a bottom plan view. 

The ornamental design of a siren, as shown and described. 